# Issue with 7.14 ES query failed: java.io.IOException: ElasticsearchException\[Invalid or missing build flavor \[oss\]\]

**URL:** <https://discuss.elastic.co/t/issue-with-7-14-es-query-failed-java-io-ioexception-elasticsearchexception-invalid-or-missing-build-flavor-oss/281396>\
**Category:** Elasticsearch\
**Created:** [August 13, 2021, 5:45pm UTC](https://discuss.elastic.co/t/issue-with-7-14-es-query-failed-java-io-ioexception-elasticsearchexception-invalid-or-missing-build-flavor-oss/281396 "2021-08-13T17:45:22Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![elastic-sss](https://avatars.discourse-cdn.com/v4/letter/e/e9a140/32.png) [@elastic-sss](https://discuss.elastic.co/u/elastic-sss)\
**Post date:** [August 13, 2021, 5:45pm UTC](https://discuss.elastic.co/t/issue-with-7-14-es-query-failed-java-io-ioexception-elasticsearchexception-invalid-or-missing-build-flavor-oss/281396/1 "2021-08-13T17:45:22Z")

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Hi,  
My queries are working fine with ES 7.13.4 but when I upgraded to 7.14.0 I get this error ""class java.lang.IllegalStateException:ES query failed: java.io.IOException: ElasticsearchException[Invalid or missing build flavor [oss]]""

Any ideas why this might be the case?

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [August 13, 2021, 6:01pm UTC](https://discuss.elastic.co/t/issue-with-7-14-es-query-failed-java-io-ioexception-elasticsearchexception-invalid-or-missing-build-flavor-oss/281396/2 "2021-08-13T18:01:09Z")

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Welcome!

What did you upgrade? The server? A client?

Make sure that you are using same version for both.

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<div class="post-metadata">

**Author:** ![elastic-sss](https://avatars.discourse-cdn.com/v4/letter/e/e9a140/32.png) [@elastic-sss](https://discuss.elastic.co/u/elastic-sss)\
**Post date:** [August 13, 2021, 6:03pm UTC](https://discuss.elastic.co/t/issue-with-7-14-es-query-failed-java-io-ioexception-elasticsearchexception-invalid-or-missing-build-flavor-oss/281396/3 "2021-08-13T18:03:47Z")

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I upgraded the client. I think the server is running 7.13.x

Is this discrepancy the issue? Thanks.

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [August 13, 2021, 10:01pm UTC](https://discuss.elastic.co/t/issue-with-7-14-es-query-failed-java-io-ioexception-elasticsearchexception-invalid-or-missing-build-flavor-oss/281396/4 "2021-08-13T22:01:03Z")

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What is the exact output of

```
GET /
```

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [September 10, 2021, 10:01pm UTC](https://discuss.elastic.co/t/issue-with-7-14-es-query-failed-java-io-ioexception-elasticsearchexception-invalid-or-missing-build-flavor-oss/281396/5 "2021-09-10T22:01:46Z")

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